830545039820 has 24 divisors (see below), whose sum is σ = 1781254044864. Its totient is φ = 325149547136.

The previous prime is 830545039817. The next prime is 830545039871. The reversal of 830545039820 is 28930545038.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441778337 + ... + 441780216.

It is an arithmetic number, because the mean of its divisors is an integer number (74218918536).

Almost surely, 2^830545039820 is an apocalyptic number.

It is an amenable number.

830545039820 is an abundant number, since it is smaller than the sum of its proper divisors (950709005044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830545039820 is a wasteful number, since it uses less digits than its factorization.

830545039820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883558609 (or 883558607 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 830545039820 in words is "eight hundred thirty billion, five hundred forty-five million, thirty-nine thousand, eight hundred twenty".